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Standard Expectation
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Standard Goal
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3 items total
Organization:
Virginia Standards of Learning
Grade Band:
5th Grade
Standard Goal:
Measurement
No expectation given for this objective.
Clock Arithmetic and Cryptography
Lesson:
Introduces students to modular (clock) arithmetic and how modular arithmetic can be used to encode messages using simple shift, multiple and affine ciphers.
Clock Arithmetic
Activity:
Work with various types of clocks in order to learn about modular arithmetic operations. Parameters: Number of hours on the clock.
Elapsed Time
Activity:
Practice finding elapsed time given a starting time and an ending time. Elapsed Time is one of the Interactivate assessment explorers.
